/// <summary> /// Returns a random number value from 0 (inclusive) to range (exclusive) /// </summary> /// <param name="randomNumberGenerator">The random number generator to use</param> /// <param name="range">The max range (exclusive)</param> /// <returns>A random number value from 0 (inclusive) to range (exclusive)</returns> public static int NextIntUnsafe(this IIntegerRandomNumberGenerator randomNumberGenerator, int range) => randomNumberGenerator.NextInt() % range;
public FisherYatesShuffle(IIntegerRandomNumberGenerator randomNumberGenerator)
{
this.randomNumberGenerator = randomNumberGenerator;
}
/// <summary>
/// Returns a random number value from 0 (inclusive) to range (exclusive)
/// </summary>
/// <param name="randomNumberGenerator">The random number generator to use</param>
/// <param name="range">The max range (exclusive)</param>
/// <returns>A random number value from 0 (inclusive) to range (exclusive)</returns>
/// <exception cref="ArgumentOutOfRangeException">If range is 0 or less</exception>
public static int NextInt(this IIntegerRandomNumberGenerator randomNumberGenerator, int range)
=> range <= 0 ?
throw new ArgumentOutOfRangeException(nameof(range), $"{nameof(NextInt)}'s range is less than 1: {range}.") :
randomNumberGenerator.NextIntUnsafe(range);
